User Manual - Smart Temp Australia
Contents
1. is necessary a high quality electronic digital thermometer must be used Place the thermometer sensor probe next to the thermostat sensor and allow five minutes before comparing the temperature readings Use the UP and DOWN keys to adjust the temperature calibration The range is 10 C Figure 11 FIGURE 11 SAVING SETTINGS AND EXITING THE SETUP MENU Press the ENTER key and the SMT AZC will save the setup menu settings and exit the program The LCD will display the space temperature along with other normal operating functions To review the thermostat settings simply press and hold the SETUP key until the setup menu is displayed and then toggle through the settings Press the ENTER key to exit the setup menu Remove the thermostat from the subbase and set Switch 1 in the ON position to lock the thermostat which will prevent setup changes from being made When the thermostat is locked a padlock icon will be displayed on the LCD Figure 12 FIGURE 12 HELPFUL HINT If it is necessary to exit the setup menu before all setup functions are completed simply press the ENTER key and all settings will be saved To re enter the setup menu press and hold the SETUP key until the word DAMPER appears and then continue pressing the SETUP key to toggle through the functions to where you left off G Sart emp CHECKING THERMOSTAT STATUS POINTS After the thermostat is locked and operatio2. SM T AZC INSTALLATION OPERATION MANUAL emp VERSION 2 0 www smarttemp com INTRODUCTION The SMT AZC thermostat is designed to work with the Smart Temp 24Volt Zone Dampers Please take time to read and understand this manual so that installation and testing is undertaken in an efficient and effective manner Although great care has been taken in the preparation of this manual Smart Temp takes no responsibility for errors or omissions contained herein It is the responsibility of the installer to ensure that this thermostat and the equipment connected to it operate in a safe and efficient manner Due to ongoing product improvement Smart Temp reserves the right to change the specifications of the SMT AZC without notice All right reserved Smart Temp Australia Pty Ltd Intellectual rights apply DISASSEMBLY Insert a small coin in the release slot located on the bottom of the thermostat Gently twist the coin to release the thermostat from the subbase Avoid twisting the case as this may stress the LCD and cause it to crack or bend the terminal pin connectors j emp TERMINAL DESIGNATIONS The SMT AZC has dedicated screw terminals located on the subbase to facilitate ease of wiring to the actuator SMT AZC SUBBASE C R PO PC 0505 B 24 24 Power Close Not Applicable in Aust Not Applicable in Aus
3. and then press the ENTER key The damper will drive open and remain in the open position until the override is cancelled Figure 16 DATIPER OPEN FIGURE 16 OVERRIDE TO CLOSE Press the UP and DOWN keys until the word CLOSED appears on the LCD and press the ENTER key The damper will drive closed and remain in the closed position until the override is cancelled Figure 17 DATIPER CLOSE FIGURE 17 G Scart emp CANCELLING THE DAMPER OVERRIDE In order for the SMT AZC to control normal damper operation the override must be cancelled Press and hold the SETUP key until the word DAMPER OPEN or DAMPER CLOSE appears on the LCD Use the UP or DOWN key until only the word DAMPER is displayed and then press the ENTER key The thermostat will then resume normal operation Figure 18 DAMPER FIGURE 18 SMT AZC SPECIFICATIONS Input Voltage Relay Rating Operating Temperature Operating RH Size LCD Display Size Temperature Sensor Accuracy Display Resolution Control Range Back Light Back Light Life Communications Protocol Approvals Warranty 24 VAC 50 60 Hz 24 VAC 1Amp per relay 23 F to 122 F 0 95 non condensing 4 7116 W x 4 1 16 H x 7 8 D 2 3 4 W x 1 7 8 H 10K NTC type 3 1 F 77 F TF 36 F to 96 F Blue EL Electro Luminescent 3 000 hours to half brightness Modbus FCC Part 15 Pending C tick 3 Years 06 1050 051410
4. es E SETUP KEY This key is used to toggle through the thermostat setup menu ENTER KEY This key is used to enter changes as well as exit the setup menu G Scart emp ATTACHING THERMOSTAT TO THE SUBBASE When attaching the thermostat to the subbase first place the hinged access cover on by fitting the plastic molded pins into the grooves at the top of the thermostat Carefully align the two standoffs located at the top of the thermostat with the slots in the top of the subbase Allow the thermostat to swing downward and gently push until the connector pins are fully seated into the terminal blocks SETUP DAMPER OPEN CLOSE MIN or I HEAT OFF COOL SPEED POSITION 00 55 FIGURE 1 Apply 24 Volts power to the thermostat The LCD will momentarily display all icons Figure 1 ENTERING THE SETUP MENU Press twice and hold the SETUP key until the word DAMPER appears on the LCD Figure 2 DATIPER FIGURE 2 SETTING THE MINIMUM DAMPER POSITION Press the SETUP key again and the LCD will display the minimum damper position The factory default is 10 which means the damper is driven 90 closed after a heating or cooling call is satisfied Press the UP and DOWN keys to change the minimum damper position Position may be adjusted in 10 increments Figure 3 POSITION FIGURE 3 G Scart emp SETTING THE MAXIMUM DAMPER POSITION Press the SETUP key again and
5. nal its status functions can be checked by pressing the STATUS key twice and toggling through the following status points UNIT Displays the HVAC unit number assigned to thermostat ZONE Displays the thermostat zone number DUCT Displays the duct temperature DAMPER Displays the damper position in one degree increments 0 fully closed and 100 fully open THERMOSTAT OPERATION The SMT AZC is designed to provide accurate but simple temperature control for the user When the thermostat is not calling only the space temperature is displayed on the LCD along with the padlock icon that confirms the thermostat setup functions can not be changed The user can use the UP and DOWN keys to change the thermostat setpoint within the setpoint limits and review the status points by pressing the STATUS key Figure 13 FIGURE 13 CHANGING THE SETPOINT When the UP and DOWN keys are pressed the thermostat will display the word SET The setpoint then can be changed within the setpoint limits Figure 14 FIGURE 14 G Scart emp ADVANCED FUNCTIONS DAMPER POSITION OVERRIDE The SMT AZC has a damper position override feature to assist in air balancing and bypass damper setup With the thermostat unlocked press twice and hold the SETUP key until the word DAMPER appears on the LCD Figure 15 DATIPER FIGURE 15 OVERRIDE TO OPEN Press the UP and DOWN keys until the word OPEN appears on the LCD
6. nded that the limit not be set below the factory default setting Figure 8 FIGURE 8 SETTING THE ACTUATOR SPEED Press the SETUP key again and the LCD will display the actuator speed The factory default is 90 seconds which is the time it takes the actuator to drive the damper blade fully open or fully closed This is a critical step in the SMT AZC setup since the thermostat can be used with a variety of 24 Volt actuators If you are unsure of the actuator speed place the actuator in the fully closed position and then apply 24 Volts to common and normally open The time it takes to drive the damper blade fully open equals the actuator speed setting Figure 9 When using Smart Temp Model LMU 24T set speed to 45 Seconds FIGURE 9 SETTING THE MODBUS ADDRESS Press the SETUP key again and the LCD will display the Modbus communications address The factory default is 01 The SMT AZC has integrated Modbus communications capability for remote monitoring and control For more information on Modus Communications contact Smart Temp at 03 9763 0094 or info smarttemp com au Figure 10 ui ADDRESS FIGURE 10 G Scart emp TEMPERATURE CALIBRATION OFFSET Press the SETUP key again and the LCD will display the temperature calibration offset The factory default setting is 0 Typically it is not necessary to adjust the temperature calibration offset as the SMT AZC has been factory calibrated If calibration
7. rmostat is locked ON position a padlock icon will show on the LCD When locked only setpoint changes and status functions can be accessed by the user Do not set Switch 1 in the ON position until all setup functions are completed Switch 2 Switch 2 is used to display the space temperature duct temperature and setpoint in Celsius ON position or Fahrenheit OFF position Select Celsius or Fahrenheit before proceeding to the thermostat setup menu Switch 3 Switch 3 is used to select two position ON position or fully modulating OFF position damper control to best suit the specific application requirement Switch 6 Must be ON for Australia From Heating Cooling Equipment To downstream vents Smart Temp Upstream Sensor Belimo LM24T Actuator Model SZ PS 24Vac Plug Pack SW 1 OFF PC DS DS YW A B SW2 0N 24Vac Damper Sensor Cool Heat Modbus SW 3 OFF SW 4 NA SW 5 NA SW 6 ON 5 7 SMT AZC Zone Control Thermostat SW 8 KEY FUNCTIONS D A ON OFF KEY When SMT AZC is not locked this key allows the thermostat to be turned ON or OFF When in the OFF position the damper is also driven closed B STATUS KEY Pressing the STATUS key displays the UNIT number ZONE number DUCT temperature and DAMPER position C and D UP and DOWN KEYS These keys are used to increase or decrease the setpoint as well as change thermostat setup valu
8. t THERMOSTAT LOCATION The SMT AZC should be installed in a location that represents the ambient space temperature Do not install the thermostat in an area where drafts are present near the floor behind doors or on an external wall Avoid placing the thermostat in areas where the air movement is limited affected by direct sunlight or other areas not typical of the temperature in the space MOUNTING THE SUBBASE When mounting the SMT AZC be aware that drafts may travel down wall cavities and enter the back of the thermostat through the control wire hole in the wall It is important to seal the hole to prevent any drafts that might affect the internal temperature sensor Pull the control wires through the large opening in the thermostat subbase then level and mount the subbase on the wall using the supplied anchors and screws Do not over tighten the mounting screws as the subbase may warp causing improper seating of the thermostat connecting pins to the terminal blocks Use a properly sized screwdriver and land each wire to its dedicated terminal emp Do not over tighten the terminal screws Check to see that all wires are landed correctly and dressed properly to prevent any shorts SWITCH FUNCTIONS The SMT AZC contains a set of dip switches numbered 1 through 8 Only dip switches 1 2 3 and 6 are active Switch 1 Switch 1 is used to lock the thermostat after setup is completed When the the
9. the LCD will display the maximum damper position for heating and cooling The factory default is 100 which means the damper can drive fully open with a call for heating or cooling Position may be adjusted in 10 increments using the UP and DOWN keys Figure 4 DAMPER i POSITION FIGURE 4 SETTING A UNIT NUMBER Press the SETUP key again and the LCD will display the word UNIT The factory default is 00 This number can be used to assign the SMT AZC to a particular HVAC unit Use the UP and DOWN keys to assign a UNIT number from 00 to 99 Figure 5 FIGURE 5 SETTING A ZONE NUMBER Press the SETUP key again and the LCD will display the word ZONE The factory default is 00 This number can be used to identify each SMT AZC thermostat Network or when used in multiple stand alone applications Use the UP and DOWN keys to assign a ZONE number from 00 to 99 Figure 6 FIGURE 6 SETTING THE HEATING LIMIT Press the SETUP key again and the LCD will display the heating limit The factory default is 24 C Press the UP and DOWN keys to change the heating limit setting It is strongly recommended that the limit not be set above the factory default setting Figure 7 FIGURE 7 G Scart emp SETTING THE COOLING LIMIT Press the SETUP key again and the LCD will display the cooling limit The factory default is 68 F Press the UP and DOWN keys to change the cooling limit setting It is strongly recomme
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